Hinged last.



Patenvted Feb. I9, 190|.

".m 0T.. T35. "Awb GLA EDM LEM 4nun M ".m .um

A n m QNo Model.)

tvrrn Sterns Patent Druten@ ARTHUR MELVIN LEIGI-ITON, OF BROCKTON, MASSACHUSETTS, ASSIGNOR. TO JAMES E. MAYNADIER, TRUSTEE, OF TAUNTON, MASSACHUSETTS.

HINGED LAST.

SPEGIFICATIQN forming' part of Letters Patent No. 668,196, dated February 19, 1901.

Application filed August 5| 1898. arial No. 687,763. (No model.)

To all whom it may concern: inclosed in a tube J, which passes through Beit known that I, ARTHURIWIELVIN LEIGH- the work-bench G and is formed with a slot TON, of Brockton, in the county of Plymouth j, in which the pin f slides and by means ot' and State of Massachusetts, have invented which the key F is kept in its operative po- 55 5 an Improved Hinged Last, of which the folsition. A recessj' in one of the walls of the lowing is a specification, reference being had slotj receives the pin f when the key E is reto the accompanying drawings, in whichtracted and held with the key-bit f turned Figure 1 is a sectional elevation showing in its inoperative position. (See Fig. my last upon its key-stand and unlocked. The last being locked by the locking-bolt 6o 1o Fig. 2 is a section on line 2 2 of Fig. l. Fig. a2 extending into the socket b' and the key 3 is a detail View showing the key retracted E being in the position shown by the dotted and locked in its inoperative position. lines in Fig. l, to unlock the last the opera- My invention relates to improvements in tion is as follows: The key F is inserted in hinged lasts; and the objects of my improvethe socket b3 until its bit f bears against the 65 t5 ments are, iirst, to provide a means for aureleasing-bolt b2. The key F is then pressed tomatically locking the last rigidly at the down against the 'force of the spring e until hinged joint, and, second, to provide a simthe spindle is inserted in the socket b3. The ple means for unlocking the last, so that the key F is forced into the slot b4 and the keyparts may be swung freely upon the hinge. bitf/ into the socket b' against the releasing- 7o zo In the drawings, A is the fore-part piece, bolt h2, which abuts against the locking-bolt and B the heel-piece, of the last, fastened toa2. The locking-bolt c2 is thus forced out of gether at the hinged joint D by the piutle CZ, the socket b against the tension of the spring which passes through pintle-holes in the c3. The parts are then as shown in Fig. 1, knuckles of the hinge. The Shanks a and Z) and the fore-part piece A may now be swung 75 z5 of the hinge are made in the form of short upon the hinge about the pintle d. Upon tubes and are secured in the longitudinal turning the fore-part piece A so as to close sockets c and b', formed in the pieces A and the joint D and raising the last so as to re- B, respectively. 'The heel-piece B is formed lease it from the key F the last will be auto.- with a second socket b3, which opens at its matically locked by the locking-bolt 61.2 being 8o 3o lower end into the socket b1, and the axes of forced into the socket b by the spring a3.

the sockets b and b3 are at right angles to The main features of my invention are the each other. The front portion ot' the socket simple locking device, which is automatic .and b3 is formed with a slot h4 to receive the key positive in its action and which cannot be- F, while the main portion of the socket b5 is come unlocked during any ofthe operations 85 35 formed to receive the spindle e. Within the through which the shoe is passed, and the socket b' slides the releasing-bolt b2, and simple means for unlocking the last.

within the socket a slides the locking-bolt What I claim as my invention isc2, whichis slotted longitudinally to receive 1. A hinged last comprising two hollow the pintle d. At one end of the socket c is shanks united to form a hinge, one shank se- 9o .4o the spring c3, which acts to force the lockcured to the heel portion and the other shank -ing-bolt c2 longitudinally along the socket ct secured to the toe portion; and a lockinginto the socket h. When the joint D is bolt sliding in one shank and projecting into '.closed, as shown in Fig. l, the two sockets a the other to lock the two shanks when in line,

and 19' register axially and form one continusubstantially as described. 95 45 ous socket to receive the locking-bolt a2. A 2. A last made up of a heel and toe porbracket E is fastened to the work-bench Gr tion, a hinge connecting those portions; a `and carries the spindle e and spring e. The bolt sliding in one portion of the last, a socket key F slides in a hole in the bracket E, by to receive one end of the bolt in the other which it is guided and bears against the portion; means to automatically move the roo 5o spring e by means of the pin f, extending bolt to engage the socket, and a key to dis- .through the key-shank f2. The spring e is engage the bolt from the socket, and a spindle to force the key home and to hold the last l `fast when unlocked substantially as de- 4. In a hinged last, a hinge formed with hollow Shanks; a bolt slotted to receive the hinge-pintle and sliding Within one of the hollow Shanks; and means to automatically move the bolt to engage in the other hollow shank thereby locking the last substantially as described.

ARTHUR MELVIN LEIGHTON. Witnesses:

HENRY C. GURNEY, PATRICK M. CONEFREY. 

